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Cited by 165

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The RING Finger Protein MSL2 in the MOF Complex Is an E3 Ubiquitin Ligase for H2B K34 and Is Involved in Crosstalk with H3 K4 and K79 Methylation

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Wu, Lipeng, Zee, Barry M., Wang, Yanming, Garcia, Benjamin A., Dou, Yali·2011·Molecular Cell

Abstract

SUMMARY We demonstrate that RING finger protein MSL2 in the MOF-MSL complex is a histone ubiquitin E3 ligase. MSL2, together with MSL1, has robust histone ubiquitylation activity that mainly targets nucleosomal H2B on lysine 34 (H2B K34ub), a site within a conserved basic patch on H2B tail. H2B K34ub by MSL1/2 directly regulates H3 K4 and K79 methylation through trans-tail crosstalk both in vitro and in cells. The significance of MSL1/2 mediated histone H2B ubiquitylation is underscored by facts that MSL1/2 activity is important for transcription activation at HOXA9 and MEIS1 loci and that this activity is evolutionarily conserved in the Drosophila dosage compensation complex. Altogether, these results establish that the MOF-MSL complex possesses two distinct chromatin-modifying activities (i.e. H4 K16 acetylation and H2B K34 ubiquitylation) through MOF and MSL2 subunits. They also shed new lights on how intricate network of chromatin modifying enzymes functions coordinately in gene activation.

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Metadata

Authors
Wu, L., Zee, B. M., Wang, Y., Garcia, B. A., & Dou, Y.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2011-07
Volume
43
Issue
1
Pages
132-144
ISSN
1097-2765 (ISSN-L)
OpenAlex
W1968085402
Cited by
165
References
1
FWCI
7.29
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The RING Finger Protein MSL2 in the MOF Complex Is an E3 Ubiquitin Ligase for H2B K34 and Is Involved in Crosstalk with H3 K4 and K79 Methylation. https://app.cochat.ai/papers/10.1016/j.molcel.2011.05.015
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Wu, L., Zee, B. M., Wang, Y., Garcia, B. A., & Dou, Y. (2011). The RING Finger Protein MSL2 in the MOF Complex Is an E3 Ubiquitin Ligase for H2B K34 and Is Involved in Crosstalk with H3 K4 and K79 Methylation. Molecular Cell. https://doi.org/10.1016/j.molcel.2011.05.015

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